src/hotspot/share/runtime/vframeArray.cpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
changeset 47216 71c04702a3d5
parent 39261 hotspot/src/share/vm/runtime/vframeArray.cpp@18f007610de6
child 49359 59f6547e151f
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/vmreg.inline.hpp"
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#include "interpreter/bytecode.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.inline.hpp"
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#include "oops/methodData.hpp"
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#include "oops/oop.inline.hpp"
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#include "prims/jvmtiThreadState.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/monitorChunk.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/vframe.hpp"
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#include "runtime/vframeArray.hpp"
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#include "runtime/vframe_hp.hpp"
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#include "utilities/events.hpp"
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#ifdef COMPILER2
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#include "opto/runtime.hpp"
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#endif
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int vframeArrayElement:: bci(void) const { return (_bci == SynchronizationEntryBCI ? 0 : _bci); }
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void vframeArrayElement::free_monitors(JavaThread* jt) {
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  if (_monitors != NULL) {
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     MonitorChunk* chunk = _monitors;
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     _monitors = NULL;
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     jt->remove_monitor_chunk(chunk);
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     delete chunk;
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  }
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}
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void vframeArrayElement::fill_in(compiledVFrame* vf, bool realloc_failures) {
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// Copy the information from the compiled vframe to the
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// interpreter frame we will be creating to replace vf
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  _method = vf->method();
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  _bci    = vf->raw_bci();
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  _reexecute = vf->should_reexecute();
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#ifdef ASSERT
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  _removed_monitors = false;
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#endif
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  int index;
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  // Get the monitors off-stack
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  GrowableArray<MonitorInfo*>* list = vf->monitors();
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  if (list->is_empty()) {
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    _monitors = NULL;
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  } else {
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    // Allocate monitor chunk
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    _monitors = new MonitorChunk(list->length());
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    vf->thread()->add_monitor_chunk(_monitors);
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    // Migrate the BasicLocks from the stack to the monitor chunk
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    for (index = 0; index < list->length(); index++) {
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      MonitorInfo* monitor = list->at(index);
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      assert(!monitor->owner_is_scalar_replaced() || realloc_failures, "object should be reallocated already");
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      BasicObjectLock* dest = _monitors->at(index);
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      if (monitor->owner_is_scalar_replaced()) {
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        dest->set_obj(NULL);
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      } else {
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        assert(monitor->owner() == NULL || (!monitor->owner()->is_unlocked() && !monitor->owner()->has_bias_pattern()), "object must be null or locked, and unbiased");
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        dest->set_obj(monitor->owner());
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        monitor->lock()->move_to(monitor->owner(), dest->lock());
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      }
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    }
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  }
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  // Convert the vframe locals and expressions to off stack
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  // values. Because we will not gc all oops can be converted to
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  // intptr_t (i.e. a stack slot) and we are fine. This is
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  // good since we are inside a HandleMark and the oops in our
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  // collection would go away between packing them here and
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  // unpacking them in unpack_on_stack.
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  // First the locals go off-stack
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  // FIXME this seems silly it creates a StackValueCollection
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  // in order to get the size to then copy them and
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  // convert the types to intptr_t size slots. Seems like it
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  // could do it in place... Still uses less memory than the
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  // old way though
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  StackValueCollection *locs = vf->locals();
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  _locals = new StackValueCollection(locs->size());
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  for(index = 0; index < locs->size(); index++) {
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    StackValue* value = locs->at(index);
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    switch(value->type()) {
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      case T_OBJECT:
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        assert(!value->obj_is_scalar_replaced() || realloc_failures, "object should be reallocated already");
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        // preserve object type
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        _locals->add( new StackValue(cast_from_oop<intptr_t>((value->get_obj()())), T_OBJECT ));
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        break;
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      case T_CONFLICT:
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        // A dead local.  Will be initialized to null/zero.
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        _locals->add( new StackValue());
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        break;
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      case T_INT:
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        _locals->add( new StackValue(value->get_int()));
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        break;
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      default:
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        ShouldNotReachHere();
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    }
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  }
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  // Now the expressions off-stack
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  // Same silliness as above
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  StackValueCollection *exprs = vf->expressions();
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  _expressions = new StackValueCollection(exprs->size());
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  for(index = 0; index < exprs->size(); index++) {
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    StackValue* value = exprs->at(index);
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    switch(value->type()) {
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      case T_OBJECT:
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        assert(!value->obj_is_scalar_replaced() || realloc_failures, "object should be reallocated already");
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        // preserve object type
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        _expressions->add( new StackValue(cast_from_oop<intptr_t>((value->get_obj()())), T_OBJECT ));
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        break;
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      case T_CONFLICT:
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        // A dead stack element.  Will be initialized to null/zero.
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        // This can occur when the compiler emits a state in which stack
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        // elements are known to be dead (because of an imminent exception).
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        _expressions->add( new StackValue());
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        break;
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      case T_INT:
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        _expressions->add( new StackValue(value->get_int()));
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        break;
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      default:
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        ShouldNotReachHere();
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    }
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  }
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}
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int unpack_counter = 0;
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void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
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                                         int callee_parameters,
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                                         int callee_locals,
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                                         frame* caller,
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                                         bool is_top_frame,
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                                         bool is_bottom_frame,
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                                         int exec_mode) {
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  JavaThread* thread = (JavaThread*) Thread::current();
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  bool realloc_failure_exception = thread->frames_to_pop_failed_realloc() > 0;
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  // Look at bci and decide on bcp and continuation pc
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  address bcp;
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  // C++ interpreter doesn't need a pc since it will figure out what to do when it
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  // begins execution
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  address pc;
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  bool use_next_mdp = false; // true if we should use the mdp associated with the next bci
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                             // rather than the one associated with bcp
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  if (raw_bci() == SynchronizationEntryBCI) {
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    // We are deoptimizing while hanging in prologue code for synchronized method
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    bcp = method()->bcp_from(0); // first byte code
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    pc  = Interpreter::deopt_entry(vtos, 0); // step = 0 since we don't skip current bytecode
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  } else if (should_reexecute()) { //reexecute this bytecode
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    assert(is_top_frame, "reexecute allowed only for the top frame");
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    bcp = method()->bcp_from(bci());
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    pc  = Interpreter::deopt_reexecute_entry(method(), bcp);
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  } else {
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    bcp = method()->bcp_from(bci());
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    pc  = Interpreter::deopt_continue_after_entry(method(), bcp, callee_parameters, is_top_frame);
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    use_next_mdp = true;
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  }
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  assert(Bytecodes::is_defined(*bcp), "must be a valid bytecode");
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  // Monitorenter and pending exceptions:
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  //
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  // For Compiler2, there should be no pending exception when deoptimizing at monitorenter
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  // because there is no safepoint at the null pointer check (it is either handled explicitly
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  // or prior to the monitorenter) and asynchronous exceptions are not made "pending" by the
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  // runtime interface for the slow case (see JRT_ENTRY_FOR_MONITORENTER).  If an asynchronous
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  // exception was processed, the bytecode pointer would have to be extended one bytecode beyond
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  // the monitorenter to place it in the proper exception range.
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  //
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  // For Compiler1, deoptimization can occur while throwing a NullPointerException at monitorenter,
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  // in which case bcp should point to the monitorenter since it is within the exception's range.
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  //
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  // For realloc failure exception we just pop frames, skip the guarantee.
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  assert(*bcp != Bytecodes::_monitorenter || is_top_frame, "a _monitorenter must be a top frame");
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  assert(thread->deopt_compiled_method() != NULL, "compiled method should be known");
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  guarantee(realloc_failure_exception || !(thread->deopt_compiled_method()->is_compiled_by_c2() &&
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              *bcp == Bytecodes::_monitorenter             &&
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              exec_mode == Deoptimization::Unpack_exception),
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            "shouldn't get exception during monitorenter");
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  int popframe_preserved_args_size_in_bytes = 0;
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  int popframe_preserved_args_size_in_words = 0;
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  if (is_top_frame) {
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    JvmtiThreadState *state = thread->jvmti_thread_state();
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    if (JvmtiExport::can_pop_frame() &&
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        (thread->has_pending_popframe() || thread->popframe_forcing_deopt_reexecution())) {
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      if (thread->has_pending_popframe()) {
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        // Pop top frame after deoptimization
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#ifndef CC_INTERP
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        pc = Interpreter::remove_activation_preserving_args_entry();
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#else
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        // Do an uncommon trap type entry. c++ interpreter will know
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        // to pop frame and preserve the args
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        pc = Interpreter::deopt_entry(vtos, 0);
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        use_next_mdp = false;
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#endif
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      } else {
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        // Reexecute invoke in top frame
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        pc = Interpreter::deopt_entry(vtos, 0);
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        use_next_mdp = false;
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        popframe_preserved_args_size_in_bytes = in_bytes(thread->popframe_preserved_args_size());
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        // Note: the PopFrame-related extension of the expression stack size is done in
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        // Deoptimization::fetch_unroll_info_helper
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        popframe_preserved_args_size_in_words = in_words(thread->popframe_preserved_args_size_in_words());
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      }
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    } else if (!realloc_failure_exception && JvmtiExport::can_force_early_return() && state != NULL && state->is_earlyret_pending()) {
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      // Force early return from top frame after deoptimization
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#ifndef CC_INTERP
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      pc = Interpreter::remove_activation_early_entry(state->earlyret_tos());
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#endif
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    } else {
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      if (realloc_failure_exception && JvmtiExport::can_force_early_return() && state != NULL && state->is_earlyret_pending()) {
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        state->clr_earlyret_pending();
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        state->set_earlyret_oop(NULL);
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        state->clr_earlyret_value();
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      }
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      // Possibly override the previous pc computation of the top (youngest) frame
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      switch (exec_mode) {
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      case Deoptimization::Unpack_deopt:
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        // use what we've got
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        break;
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      case Deoptimization::Unpack_exception:
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        // exception is pending
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        pc = SharedRuntime::raw_exception_handler_for_return_address(thread, pc);
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        // [phh] We're going to end up in some handler or other, so it doesn't
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        // matter what mdp we point to.  See exception_handler_for_exception()
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        // in interpreterRuntime.cpp.
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        break;
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      case Deoptimization::Unpack_uncommon_trap:
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      case Deoptimization::Unpack_reexecute:
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        // redo last byte code
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        pc  = Interpreter::deopt_entry(vtos, 0);
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        use_next_mdp = false;
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        break;
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      default:
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        ShouldNotReachHere();
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      }
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    }
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  }
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  // Setup the interpreter frame
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  assert(method() != NULL, "method must exist");
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  int temps = expressions()->size();
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  int locks = monitors() == NULL ? 0 : monitors()->number_of_monitors();
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  Interpreter::layout_activation(method(),
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                                 temps + callee_parameters,
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                                 popframe_preserved_args_size_in_words,
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                                 locks,
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                                 caller_actual_parameters,
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                                 callee_parameters,
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                                 callee_locals,
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                                 caller,
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                                 iframe(),
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                                 is_top_frame,
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                                 is_bottom_frame);
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  // Update the pc in the frame object and overwrite the temporary pc
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   299
  // we placed in the skeletal frame now that we finally know the
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  // exact interpreter address we should use.
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   301
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  _frame.patch_pc(thread, pc);
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  assert (!method()->is_synchronized() || locks > 0 || _removed_monitors || raw_bci() == SynchronizationEntryBCI, "synchronized methods must have monitors");
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  BasicObjectLock* top = iframe()->interpreter_frame_monitor_begin();
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  for (int index = 0; index < locks; index++) {
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    top = iframe()->previous_monitor_in_interpreter_frame(top);
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    BasicObjectLock* src = _monitors->at(index);
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    top->set_obj(src->obj());
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    src->lock()->move_to(src->obj(), top->lock());
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  }
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  if (ProfileInterpreter) {
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    iframe()->interpreter_frame_set_mdp(0); // clear out the mdp.
1
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  }
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  iframe()->interpreter_frame_set_bcp(bcp);
1
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  if (ProfileInterpreter) {
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    MethodData* mdo = method()->method_data();
1
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    if (mdo != NULL) {
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      int bci = iframe()->interpreter_frame_bci();
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   321
      if (use_next_mdp) ++bci;
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      address mdp = mdo->bci_to_dp(bci);
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   323
      iframe()->interpreter_frame_set_mdp(mdp);
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    }
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  }
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  if (PrintDeoptimizationDetails) {
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    tty->print_cr("Expressions size: %d", expressions()->size());
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   329
  }
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   330
1
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  // Unpack expression stack
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   332
  // If this is an intermediate frame (i.e. not top frame) then this
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  // only unpacks the part of the expression stack not used by callee
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  // as parameters. The callee parameters are unpacked as part of the
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  // callee locals.
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   336
  int i;
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   337
  for(i = 0; i < expressions()->size(); i++) {
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   338
    StackValue *value = expressions()->at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
    intptr_t*   addr  = iframe()->interpreter_frame_expression_stack_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
    switch(value->type()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
      case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
        *addr = value->get_int();
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   343
#ifndef PRODUCT
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   344
        if (PrintDeoptimizationDetails) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   345
          tty->print_cr("Reconstructed expression %d (INT): %d", i, (int)(*addr));
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   346
        }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   347
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   348
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   349
      case T_OBJECT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   350
        *addr = value->get_int(T_OBJECT);
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   351
#ifndef PRODUCT
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   352
        if (PrintDeoptimizationDetails) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   353
          tty->print("Reconstructed expression %d (OBJECT): ", i);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   354
          oop o = (oop)(address)(*addr);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   355
          if (o == NULL) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   356
            tty->print_cr("NULL");
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   357
          } else {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   358
            ResourceMark rm;
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   359
            tty->print_raw_cr(o->klass()->name()->as_C_string());
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   360
          }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   361
        }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   362
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   363
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
      case T_CONFLICT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
        // A dead stack slot.  Initialize to null in case it is an oop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
        *addr = NULL_WORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
      default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
        ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  // Unpack the locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
  for(i = 0; i < locals()->size(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
    StackValue *value = locals()->at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
    intptr_t* addr  = iframe()->interpreter_frame_local_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
    switch(value->type()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
      case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
        *addr = value->get_int();
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   381
#ifndef PRODUCT
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   382
        if (PrintDeoptimizationDetails) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   383
          tty->print_cr("Reconstructed local %d (INT): %d", i, (int)(*addr));
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   384
        }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   385
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
      case T_OBJECT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
        *addr = value->get_int(T_OBJECT);
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   389
#ifndef PRODUCT
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   390
        if (PrintDeoptimizationDetails) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   391
          tty->print("Reconstructed local %d (OBJECT): ", i);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   392
          oop o = (oop)(address)(*addr);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   393
          if (o == NULL) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   394
            tty->print_cr("NULL");
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   395
          } else {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   396
            ResourceMark rm;
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   397
            tty->print_raw_cr(o->klass()->name()->as_C_string());
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   398
          }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   399
        }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   400
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
      case T_CONFLICT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
        // A dead location. If it is an oop then we need a NULL to prevent GC from following it
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
        *addr = NULL_WORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
      default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
        ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  if (is_top_frame && JvmtiExport::can_pop_frame() && thread->popframe_forcing_deopt_reexecution()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
    // An interpreted frame was popped but it returns to a deoptimized
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
    // frame. The incoming arguments to the interpreted activation
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
    // were preserved in thread-local storage by the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
    // remove_activation_preserving_args_entry in the interpreter; now
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
    // we put them back into the just-unpacked interpreter frame.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
    // Note that this assumes that the locals arena grows toward lower
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
    // addresses.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
    if (popframe_preserved_args_size_in_words != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
      void* saved_args = thread->popframe_preserved_args();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
      assert(saved_args != NULL, "must have been saved by interpreter");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
      assert(popframe_preserved_args_size_in_words <=
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 5046
diff changeset
   424
             iframe()->interpreter_frame_expression_stack_size()*Interpreter::stackElementWords,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
             "expression stack size should have been extended");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
#endif // ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
      int top_element = iframe()->interpreter_frame_expression_stack_size()-1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
      intptr_t* base;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
      if (frame::interpreter_frame_expression_stack_direction() < 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
        base = iframe()->interpreter_frame_expression_stack_at(top_element);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
        base = iframe()->interpreter_frame_expression_stack();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
      }
5883
8dc4bdc132d5 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 5547
diff changeset
   434
      Copy::conjoint_jbytes(saved_args,
8dc4bdc132d5 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 5547
diff changeset
   435
                            base,
8dc4bdc132d5 6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents: 5547
diff changeset
   436
                            popframe_preserved_args_size_in_bytes);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
      thread->popframe_free_preserved_args();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
#ifndef PRODUCT
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 28039
diff changeset
   442
  if (PrintDeoptimizationDetails) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
    ttyLocker ttyl;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
    tty->print_cr("[%d Interpreted Frame]", ++unpack_counter);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
    iframe()->print_on(tty);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
    RegisterMap map(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
    vframe* f = vframe::new_vframe(iframe(), &map, thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
    f->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    tty->print_cr("locals size     %d", locals()->size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
    tty->print_cr("expression size %d", expressions()->size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    method()->print_value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    // method()->print_codes();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  } else if (TraceDeoptimization) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
    tty->print("     ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
    method()->print_value();
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7397
diff changeset
   459
    Bytecodes::Code code = Bytecodes::java_code_at(method(), bcp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
    int bci = method()->bci_from(bcp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    tty->print(" - %s", Bytecodes::name(code));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
    tty->print(" @ bci %d ", bci);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 28039
diff changeset
   463
    tty->print_cr("sp = " PTR_FORMAT, p2i(iframe()->sp()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  // The expression stack and locals are in the resource area don't leave
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
  // a dangling pointer in the vframeArray we leave around for debug
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
  // purposes
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
  _locals = _expressions = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
24018
77b156916bab 8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents: 20282
diff changeset
   475
int vframeArrayElement::on_stack_size(int callee_parameters,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
                                      int callee_locals,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
                                      bool is_top_frame,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
                                      int popframe_extra_stack_expression_els) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
  assert(method()->max_locals() == locals()->size(), "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
  int locks = monitors() == NULL ? 0 : monitors()->number_of_monitors();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
  int temps = expressions()->size();
24018
77b156916bab 8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents: 20282
diff changeset
   482
  return Interpreter::size_activation(method()->max_stack(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
                                      temps + callee_parameters,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
                                      popframe_extra_stack_expression_els,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
                                      locks,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
                                      callee_parameters,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
                                      callee_locals,
24018
77b156916bab 8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents: 20282
diff changeset
   488
                                      is_top_frame);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
vframeArray* vframeArray::allocate(JavaThread* thread, int frame_size, GrowableArray<compiledVFrame*>* chunk,
28039
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   494
                                   RegisterMap *reg_map, frame sender, frame caller, frame self,
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   495
                                   bool realloc_failures) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  // Allocate the vframeArray
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  vframeArray * result = (vframeArray*) AllocateHeap(sizeof(vframeArray) + // fixed part
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
                                                     sizeof(vframeArrayElement) * (chunk->length() - 1), // variable part
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 9636
diff changeset
   500
                                                     mtCompiler);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  result->_frames = chunk->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  result->_owner_thread = thread;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
  result->_sender = sender;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
  result->_caller = caller;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
  result->_original = self;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
  result->set_unroll_block(NULL); // initialize it
28039
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   507
  result->fill_in(thread, frame_size, chunk, reg_map, realloc_failures);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
void vframeArray::fill_in(JavaThread* thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
                          int frame_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
                          GrowableArray<compiledVFrame*>* chunk,
28039
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   514
                          const RegisterMap *reg_map,
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   515
                          bool realloc_failures) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
  // Set owner first, it is used when adding monitor chunks
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
  _frame_size = frame_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
  for(int i = 0; i < chunk->length(); i++) {
28039
bf5a8340bf8a 6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents: 25717
diff changeset
   520
    element(i)->fill_in(chunk->at(i), realloc_failures);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
  // Copy registers for callee-saved registers
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
  if (reg_map != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
    for(int i = 0; i < RegisterMap::reg_count; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
#ifdef AMD64
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
      // The register map has one entry for every int (32-bit value), so
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
      // 64-bit physical registers have two entries in the map, one for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
      // each half.  Ignore the high halves of 64-bit registers, just like
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
      // frame::oopmapreg_to_location does.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
      //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
      // [phh] FIXME: this is a temporary hack!  This code *should* work
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
      // correctly w/o this hack, possibly by changing RegisterMap::pd_location
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
      // in frame_amd64.cpp and the values of the phantom high half registers
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
      // in amd64.ad.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
      //      if (VMReg::Name(i) < SharedInfo::stack0 && is_even(i)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
        intptr_t* src = (intptr_t*) reg_map->location(VMRegImpl::as_VMReg(i));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
        _callee_registers[i] = src != NULL ? *src : NULL_WORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
        //      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
        //      jint* src = (jint*) reg_map->location(VMReg::Name(i));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
        //      _callee_registers[i] = src != NULL ? *src : NULL_WORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
        //      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
#else
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
      jint* src = (jint*) reg_map->location(VMRegImpl::as_VMReg(i));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
      _callee_registers[i] = src != NULL ? *src : NULL_WORD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
      if (src == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
        set_location_valid(i, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
        set_location_valid(i, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
        jint* dst = (jint*) register_location(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
        *dst = *src;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
9636
363ca5579aff 7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents: 7913
diff changeset
   558
void vframeArray::unpack_to_stack(frame &unpack_frame, int exec_mode, int caller_actual_parameters) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
  // stack picture
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
  //   unpack_frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
  //   [new interpreter frames ] (frames are skeletal but walkable)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
  //   caller_frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
  //  This routine fills in the missing data for the skeletal interpreter frames
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
  //  in the above picture.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
  // Find the skeletal interpreter frames to unpack into
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   568
  JavaThread* THREAD = JavaThread::current();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   569
  RegisterMap map(THREAD, false);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
  // Get the youngest frame we will unpack (last to be unpacked)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
  frame me = unpack_frame.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
  int index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
  for (index = 0; index < frames(); index++ ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
    *element(index)->iframe() = me;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
    // Get the caller frame (possibly skeletal)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
    me = me.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   579
  // Do the unpacking of interpreter frames; the frame at index 0 represents the top activation, so it has no callee
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   580
  // Unpack the frames from the oldest (frames() -1) to the youngest (0)
15943
d830a939d985 8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents: 15475
diff changeset
   581
  frame* caller_frame = &me;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
  for (index = frames() - 1; index >= 0 ; index--) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   583
    vframeArrayElement* elem = element(index);  // caller
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   584
    int callee_parameters, callee_locals;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   585
    if (index == 0) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   586
      callee_parameters = callee_locals = 0;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   587
    } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   588
      methodHandle caller = elem->method();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   589
      methodHandle callee = element(index - 1)->method();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   590
      Bytecode_invoke inv(caller, elem->bci());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   591
      // invokedynamic instructions don't have a class but obviously don't have a MemberName appendix.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   592
      // NOTE:  Use machinery here that avoids resolving of any kind.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   593
      const bool has_member_arg =
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   594
          !inv.is_invokedynamic() && MethodHandles::has_member_arg(inv.klass(), inv.name());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   595
      callee_parameters = callee->size_of_parameters() + (has_member_arg ? 1 : 0);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   596
      callee_locals     = callee->max_locals();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   597
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   598
    elem->unpack_on_stack(caller_actual_parameters,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   599
                          callee_parameters,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   600
                          callee_locals,
15943
d830a939d985 8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents: 15475
diff changeset
   601
                          caller_frame,
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   602
                          index == 0,
15943
d830a939d985 8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents: 15475
diff changeset
   603
                          index == frames() - 1,
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   604
                          exec_mode);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
    if (index == frames() - 1) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13195
diff changeset
   606
      Deoptimization::unwind_callee_save_values(elem->iframe(), this);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
    }
15943
d830a939d985 8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents: 15475
diff changeset
   608
    caller_frame = elem->iframe();
9636
363ca5579aff 7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents: 7913
diff changeset
   609
    caller_actual_parameters = callee_parameters;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  deallocate_monitor_chunks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
void vframeArray::deallocate_monitor_chunks() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
  JavaThread* jt = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  for (int index = 0; index < frames(); index++ ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
     element(index)->free_monitors(jt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
bool vframeArray::structural_compare(JavaThread* thread, GrowableArray<compiledVFrame*>* chunk) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
  if (owner_thread() != thread) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
  int index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
#if 0 // FIXME can't do this comparison
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  // Compare only within vframe array.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
  for (deoptimizedVFrame* vf = deoptimizedVFrame::cast(vframe_at(first_index())); vf; vf = vf->deoptimized_sender_or_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
    if (index >= chunk->length() || !vf->structural_compare(chunk->at(index))) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
    index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
  if (index != chunk->length()) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
address vframeArray::register_location(int i) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
  assert(0 <= i && i < RegisterMap::reg_count, "index out of bounds");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
  return (address) & _callee_registers[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
// Printing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
// Note: we cannot have print_on as const, as we allocate inside the method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
void vframeArray::print_on_2(outputStream* st)  {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 28039
diff changeset
   653
  st->print_cr(" - sp: " INTPTR_FORMAT, p2i(sp()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
  st->print(" - thread: ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
  Thread::current()->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
  st->print_cr(" - frame size: %d", frame_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
  for (int index = 0; index < frames() ; index++ ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
    element(index)->print(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
void vframeArrayElement::print(outputStream* st) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 28039
diff changeset
   663
  st->print_cr(" - interpreter_frame -> sp: " INTPTR_FORMAT, p2i(iframe()->sp()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
void vframeArray::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
  st->print_cr("vframeArray [%d] ", frames());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
#endif